<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="专栏编号" prop="columnNo">
        <el-input
          v-model="queryParams.columnNo"
          placeholder="请输入专栏编号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="专栏名称" prop="columnName">
        <el-input
          v-model="queryParams.columnName"
          placeholder="请输入专栏名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="专栏类型" prop="columnType">
        <el-select v-model="queryParams.columnType" placeholder="请选择专栏类型" clearable>
          <el-option
            v-for="dict in dict.type.sys_column_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="审核状态" prop="checkStatus">
        <el-select v-model="queryParams.checkStatus" placeholder="请选择审核状态" clearable>
          <el-option
            v-for="dict in dict.type.column_check_status"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="发布状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择发布状态" clearable>
          <el-option
            v-for="dict in dict.type.column_release_status"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="创建者" prop="nickName">
        <el-input
          v-model="queryParams.nickName"
          placeholder="请输入创建者昵称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['column:column:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['column:column:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['column:column:remove']"
        >删除</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['column:column:export']"
        >导出</el-button>
      </el-col> -->
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="columnList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="columnId" />
      <el-table-column label="专栏编号" align="center" prop="columnNo" />
      <el-table-column label="专栏名称" align="center" prop="columnName" />
       <el-table-column label="封面图片" align="center" prop="columnImage" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.columnImage" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="专栏类型" align="center" prop="columnType">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_column_type" :value="scope.row.columnType"/>
        </template>
      </el-table-column>
      <el-table-column label="审核状态" align="center" prop="checkStatus">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.column_check_status" :value="scope.row.checkStatus"/>
        </template>
      </el-table-column>
      <el-table-column label="专栏排序" align="center" prop="columnSort" />
      <el-table-column label="创建者" align="center" prop="nickName" />
      <el-table-column label="发布状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.column_release_status" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="发布时间" align="center" prop="releaseTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.releaseTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="更新时间" align="center" prop="updateTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updateTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="内容" width="180" align="center" class-name="small-padding fixed-swidth">
        <template slot-scope="scope">
          <router-link :to="'/columnCourse-sub/index/' + scope.row.columnNo" class="link-type">
              <el-button
              size="mini"
              type="text"
              icon="el-icon-view"
              style="padding:5px"
              v-hasPermi="['column:columnCourse:list']"
            >课程</el-button>
          </router-link>
          <router-link :to="'/column/columnPaper-sub/index/' + scope.row.columnNo" class="link-type">
              <el-button
              size="mini"
              type="text"
              icon="el-icon-view"
              style="padding:5px"
              v-hasPermi="['column:columnPaper:list']"
            >试卷</el-button>
          </router-link>
          <router-link :to="'/column/columnTeacher-sub/index/' + scope.row.columnNo" class="link-type">
              <el-button
              size="mini"
              type="text"
              icon="el-icon-view"
              style="padding:5px"
              v-hasPermi="['column:columnTeacher:list']"
            >讲师</el-button>
          </router-link>
          <router-link :to="'/column/columnStudent-sub/index/' + scope.row.columnNo" class="link-type">
              <el-button
              size="mini"
              type="text"
              icon="el-icon-view"
              style="padding:5px"
              v-hasPermi="['column:columnStudent:list']"
            >学员</el-button>
          </router-link>
          <router-link :to="'/review/estimate-sub/index/' + scope.row.columnNo" class="link-type">
              <el-button
              size="mini"
              type="text"
              icon="el-icon-view"
              style="padding:5px"
              v-hasPermi="['review:estimate:list']"
            >评价</el-button>
          </router-link>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['column:column:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['column:column:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改专栏对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="专栏名称" prop="columnName">
          <el-input v-model="form.columnName" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="封面图片" prop="columnImage">
          <image-upload v-model="form.columnImage"/>
        </el-form-item>
        <el-form-item label="详情" prop="columnInfo">
          <editor v-model="form.columnInfo" :min-height="192"/>
        </el-form-item>
        <el-form-item label="专栏类型" prop="columnType">
          <el-select v-model="form.columnType" placeholder="请选择专栏类型">
            <el-option
              v-for="dict in dict.type.sys_column_type"
              :key="dict.value"
              :label="dict.label"
              :value="parseInt(dict.value)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="审核状态" prop="checkStatus">
          <el-select v-model="form.checkStatus" placeholder="请选择审核状态">
            <el-option
              v-for="dict in dict.type.column_check_status"
              :key="dict.value"
              :label="dict.label"
              :value="parseInt(dict.value)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="发布状态" prop="status">
          <el-select v-model="form.status" placeholder="请选择发布状态">
            <el-option
              v-for="dict in dict.type.column_release_status"
              :key="dict.value"
              :label="dict.label"
              :value="parseInt(dict.value)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="排序" prop="columnSort">
          <el-input-number v-model="form.columnSort" controls-position="right" :min="0" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listColumn, getColumn, delColumn, addColumn, updateColumn } from "@/api/column/column";

export default {
  name: "Column",
  dicts: ['sys_column_type','column_check_status','column_release_status'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 专栏表格数据
      columnList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        columnNo: null,
        nickName: null,
        columnName: null,
        columnType: null,
        checkStatus: null,
        status: null,
        releaseTime: null,
        userId: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        columnName: [
          { required: true, message: "专栏名称不能为空", trigger: "blur" }
        ],
        columnImage: [
          { required: true, message: "请上传封面图片", trigger: "blur" }
        ],
        columnInfo: [
          { required: true, message: "详情不能为空", trigger: "blur" }
        ],
        columnType: [
          { required: true, message: "请选择专栏类型", trigger: "blur" }
        ],
        checkStatus: [
          { required: true, message: "请选择审核状态", trigger: "blur" }
        ],
        status: [
          { required: true, message: "请选择发布状态", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询专栏列表 */
    getList() {
      this.loading = true;
      listColumn(this.queryParams).then(response => {
        this.columnList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        columnId: null,
        columnNo: null,
        columnName: null,
        columnType: null,
        columnSort: null,
        columnImage: null,
        columnInfo: null,
        checkStatus: 0,
        status: 0,
        releaseTime: null,
        userId: null,
        delFlag: null,
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.columnId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加专栏";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const columnId = row.columnId || this.ids
      getColumn(columnId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改专栏";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.columnId != null) {
            updateColumn(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addColumn(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const columnIds = row.columnId || this.ids;
      this.$modal.confirm('是否确认删除专栏编号为"' + columnIds + '"的数据项？').then(function() {
        return delColumn(columnIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('column/column/export', {
        ...this.queryParams
      }, `column_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
